Path: Inf of CNS

Question 1

What are the different patterns of viral inf of the CNS?

Answer 1

aseptic meningitis
encephalitis - gray, white, or both
myelitis - gray, white, or both
most cases involve both meninges and parenchyma

Question 2

What are morphological features common to all viral inf of the CNS?

Answer 2

perivascular inflammation
microglial nodules
"rod" cells
phagocytosis of injured neurons (variable)
inclusions (variable)